IBM 8478 Hardware Maintenance Manual - Page 127

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v Memory Modules (Minimum requirement = one 128 MB DIMM) Note: Minimum operating requirements are: a. 1 Power Supply b. System Board c. 1 Microprocessor d. 1 Terminator Card in Slot 2 e. 1 Memory Module (minimum of 1 DIMM in slot labeled DIMM 1) 4. Power-on the computer. If the problem remains, suspect the following FRUs in the order listed: Power Supply System Board Notes: 1. If the problem goes away when you remove an adapter from the system, and replacing that adapter does not correct the problem, suspect the system board, then the power supply. 2. If you suspect a networking problem and all the system tests pass, suspect a network cabling problem external to the system. Chapter 7. Symptom-to-FRU index 117

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v
Memory
Modules
(Minimum
requirement
=
one
128
MB
DIMM)
Note:
Minimum
operating
requirements
are:
a.
1
Power
Supply
b.
System
Board
c.
1
Microprocessor
d.
1
Terminator
Card
in
Slot
2
e.
1
Memory
Module
(minimum
of
1
DIMM
in
slot
labeled
DIMM
1)
4.
Power-on
the
computer.
If
the
problem
remains,
suspect
the
following
FRUs
in
the
order
listed:
Power
Supply
System
Board
Notes:
1.
If
the
problem
goes
away
when
you
remove
an
adapter
from
the
system,
and
replacing
that
adapter
does
not
correct
the
problem,
suspect
the
system
board,
then
the
power
supply.
2.
If
you
suspect
a
networking
problem
and
all
the
system
tests
pass,
suspect
a
network
cabling
problem
external
to
the
system.
Chapter
7.
Symptom-to-FRU
index
117